java -jar client.jar
Exception in thread "main" java.util.zip.ZipException: The system cannot find the file specified
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:110)
at java.util.jar.JarFile.<init>(JarFile.java:115)
at java.util.jar.JarFile.<init>(JarFile.java:57)